Spacecraft information: CALSPHERE 2
| Launched | 5 October 1964 |
| Flight ended | – |
| Status | Operational |
| Categories |
Radar Calibration
Active satellites |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 902 |
| COSPAR ID | 1964-063E |
| Observing |
Current orbital elements
| Inclination | 90.237° |
| Eccentricity | 0.00172 |
| RA ascending node | 5.005 hr |
| Argument perigee | 319.320° |
| Mean anomaly | 162.147° |
| Orbital period | 106.438 min |
| Epoch of osculation | 18 May 2026, 07:29 |
Derived Quantities
| Min Altitude | 1055.9 km |
| Mean Altitude | 1068.8 km |
| Peak Altitude | 1081.6 km |
Orbital History
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